550215680 has 224 divisors, whose sum is σ = 1604223360. Its totient is φ = 176947200.

The previous prime is 550215667. The next prime is 550215713. The reversal of 550215680 is 86512055.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5447630 + ... + 5447730.

Almost surely, 2^550215680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550215680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802111680).

550215680 is an abundant number, since it is smaller than the sum of its proper divisors (1054007680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550215680 is a wasteful number, since it uses less digits than its factorization.

550215680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 550215680 is about 23456.6766614540. The cubic root of 550215680 is about 819.4283543084.

The spelling of 550215680 in words is "five hundred fifty million, two hundred fifteen thousand, six hundred eighty".